<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>static 静态定位</title>
    <style>
      * {
        padding: 0px;
        margin: 0px;
      }

      .box1 {
        width: 100%;
        height: 400px;
        background-color: burlywood;
      }
      .box2 {
        width: 50%;
        height: 50%;
        background-color: coral;
        position: static;
        left: 50px;
        top: 100px;
      }
    </style>
  </head>
  <body>
    <p>
      static（静态定位）：默认值。没有定位，元素出现在正常的流中（忽略 top,
      bottom, left, right 或者 z-index 声明）。
    </p>
    <div class="box1">
      <div class="box2"></div>
    </div>
  </body>
</html>
